Like HowStuffWorks on Facebook!

Other Digestive Problems

Digestive problems include constipation, heartburn, reflux and upset stomach. Learn about causes, risks and treatments for these conditions.

Celiac Disease Overview

If Superman had celiac disease, his weakness wouldn't just be kryptonite anymore -- he'd have to worry about wheat, barley and rye. How does gluten manage to wreak such havoc?

'Can I Eat This?' App Saves You from Montezuma's Revenge

The CDC has an app to help you make wise food choices while traveling. See more »

The Year in Poop

If you spent the year on the International Space Station, you could drop about 180 pounds of personal payload. That's just one crazy fact we learned about No. 2 in 2015. See more »

Can an ulcer kill you?

Living with ulcers often means passing up your favorite spicy foods. But it gets worse — ulcers can form inside your body and on your skin, leading to potentially fatal conditions. See more »

Why do stomach bugs make you throw up?

Nobody likes to vomit. But it's one of the body's amazing functions that could prevent you from becoming even sicker. See more »

Are stomach ulcers caused by stress?

"This job is giving me an ulcer!" No doubt we've all uttered those words in moments of frustration. But can a tough day at work or nonstop stress really cause an ulcer? See more »

What does it mean when you’re vomiting bile?

Throwing up bile is a less-than-pleasurable experience, to put it lightly. Sometimes it feels like it may never end. Find out why it happens, what your body is trying to tell you and when you should be concerned. See more »

Serious Causes of Diarrhea

There are some serious causes of diarrhea that can cause chronic problems. Learn about diseases and conditions that can cause diarrhea. See more »

How to Get Rid of Gas

You can get rid of gas with simple dietary changes and mild exercise. Learn how to get rid of gas from this article. See more »

Effects of Diarrhea on Children and the Elderly

For most people, diarrhea is nothing more than a minor inconvenience. But for the very young and the elderly, it can be life threatening, even fatal. See more »

How to Prevent Constipation

You can prevent constipation by drinking more fluids, eating fiber and exercising. Learn how to prevent constipation from this article. See more »